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gracefully handle nil input in argparse.stringList

develop
Myk Taylor 2023-12-31 01:17:42 -08:00
parent a970161585
commit 02c692150b
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1 changed files with 1 additions and 1 deletions
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library/lua/argparse.lua
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@ -130,7 +130,7 @@ end
function stringList(arg, arg_name, list_length) function stringList(arg, arg_name, list_length)
if not list_length then list_length = 0 end if not list_length then list_length = 0 end
local list = arg:split(',') local list = arg and (arg):split(',') or {}
if list_length > 0 and #list ~= list_length then if list_length > 0 and #list ~= list_length then
arg_error(arg_name, arg_error(arg_name,
'expected %d elements; found %d', list_length, #list) 'expected %d elements; found %d', list_length, #list)